How many electrons should be removed from a coin of mass `1.6g`, so that it may float in an electric field of intensity of `10^(9)NC^(-1)` directed upward. (take `g= 10m//s^(2)`)

How many electrons should be removed from a coin of mass 1.6 g, so that it may float in an electric field of intensity 10^9NC^-1 directed upward.

How many electrons should be removed from a condutor so that it acquires a postion charge of 3.5xx10^(-9) C.

a charged particle of mass 2 mg hang in air in an electric field of strength 4 N/C directed upwards. the charge on the particle would be (g=10m/s^2)

Find the number of electron that should be removed from a coin so that it acquires a charge of 10^(-6) coulomb

Find the number of electron that should be removed from a coin so that it acquires a charge of 10^(-6) coulomb

Find the force experienced by a chloride ion having 4 electrons removed, when placed in an electric field of intensity 2NC^(-1) .

A diople consisting of an electron and a proton separated by a distance of 4xx10^(-10) m is situated in an electric field of intensity 3xx10^(5) NC^(-1) at an angle of 30^(@) with the field. Calculate the diople moment and the torque acting on it. Charge e on an electron = 1*6xx10^(-19) C.

A charged particle of mass 3 xx 10^(-6) kg is held stationary in spacing in an electric field of strength 10^(6) NC^(-1) directed vertically downwards. The charge on the particle is ( g = 10 ms^(-2))